Deregistered Aircraft 1 of 2. This aircraft was previously assigned the N-number N57731.
| Tail Number / N-Number | N57731 |
| Manufacturer | AEROSPATIALE |
| Model | AS350D |
| Year Built | 1981 |
| Manufacturer's Serial Number | 1434 |
| Aircraft Type | Rotorcraft |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 6 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Engine Manufacturer | ALLISON |
| Engine Model | 250-C20 SER |
| Engine Type | Turbo-prop |
| Number of Engines | 1 engine |
| Horsepower | 420 hp (313 kW) |
| Type of Registrant | Corporation |
| Owner Name | SILVERHAWK AVIATION LLC |
| Street | 4317 AVIATION WAY |
| City | CALDWELL |
| State | ID |
| Zip Code | 83605-1312 |
| Country | US |
| Airworthiness Classification | Standard |
| Airworthiness Date | 1993-08-23 |
| Certificate Issue Date | 2003-02-05 |
| Last Action Date | 2009-02-17 |
| Last Status | Third Notice for Re-Registration/Renewal |
| Cancellation Date | 2014-06-12 |
| Exported To | CANADA |
| Mode S Code | 51665505 |
| Mode S Code Hex | A76B45 |
Deregistered Aircraft 2 of 2. This aircraft was previously assigned the N-number N57731.
| Tail Number / N-Number | N57731 |
| Manufacturer | TAYLORCRAFT |
| Model | DCO-65 |
| Manufacturer's Serial Number | 5128 |
| Aircraft Type | Fixed wing single engine |
| Category | Land |
| Builder Certification | Type Certificated |
| Number of Seats | 2 seats |
| Weight Class | CLASS 1 (Up to 12,499 pounds gross take off weight) |
| Number of Engines | 1 engine |
| Average Cruising Speed | 82 miles per hour |
| Type of Registrant | Individual |
| Owner Name | ENT RAMSEY J |
| Street | R D 1 |
| City | BROOKVILLE |
| State | PA |
| Zip Code | 19102 |
| Region | Eastern |
| Certificate Issue Date | 1960-09-15 |
| Last Status | Valid Registration |
| Cancellation Date | 1964-12-22 |
| Mode S Code | 51665505 |
| Mode S Code Hex | A76B45 |